<?php

namespace App\Http\Controllers\Front;

use Illuminate\Http\Request;

use App\Http\Requests;
use App\Http\Controllers\Controller;

class SchemaController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {

        //配置数据库
        $dbserver   = config('database.connections.mysql.host');
        $dbusername = config('database.connections.mysql.username');
        $dbpassword = config('database.connections.mysql.password');
        $database   = config('database.connections.mysql.database');
//其他配置
        $title = '阿福易购数据字典';

        $mysql_conn = @mysql_connect("$dbserver", "$dbusername", "$dbpassword") or die("Mysql connect is error.");
        mysql_select_db($database, $mysql_conn);
        mysql_query('SET NAMES utf8', $mysql_conn);
        $table_result = mysql_query('show tables', $mysql_conn);
//取得所有的表名
        while ($row = mysql_fetch_array($table_result)) {
            $tables[]['TABLE_NAME'] = $row[0];
        }

//循环取得所有表的备注
        foreach ($tables AS $k=>$v) {
            $sql  = 'SELECT * FROM ';
            $sql .= 'INFORMATION_SCHEMA.TABLES ';
            $sql .= 'WHERE ';
            $sql .= "table_name = '{$v['TABLE_NAME']}'  AND table_schema = '{$database}'";
            $table_result = mysql_query($sql, $mysql_conn);
            while ($t = mysql_fetch_array($table_result) ) {
                $tables[$k]['TABLE_COMMENT'] = $t['TABLE_COMMENT'];
            }

            $sql  = 'SELECT * FROM ';
            $sql .= 'INFORMATION_SCHEMA.COLUMNS ';
            $sql .= 'WHERE ';
            $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database}'";

            $fields = array();
            $field_result = mysql_query($sql, $mysql_conn);
            while ($t = mysql_fetch_array($field_result) ) {
                $fields[] = $t;
            }
            $tables[$k]['COLUMN'] = $fields;
        }
        mysql_close($mysql_conn);


        $html = '';
//循环所有表
        foreach ($tables AS $k=>$v) {
            $html .= '<p><h2>'. $v['TABLE_COMMENT'] . '&nbsp;</h2>';
            $html .= '<table class="table"  border="1" cellspacing="0" cellpadding="0" align="center">';
            $html .= '<caption>' . $v['TABLE_NAME'] . '</caption>';
            $html .= '<tbody><tr><th>字段名</th><th>数据类型</th><th>默认值</th>
    <th>允许非空</th>
    <th>自动递增</th><th>备注</th></tr>';
            $html .= '';

            foreach ($v['COLUMN'] AS $f) {
                $html .= '<tr><td class="c1">' . $f['COLUMN_NAME'] . '</td>';
                $html .= '<td class="c2">' . $f['COLUMN_TYPE'] . '</td>';
                $html .= '<td class="c3">&nbsp;' . $f['COLUMN_DEFAULT'] . '</td>';
                $html .= '<td class="c4">&nbsp;' . $f['IS_NULLABLE'] . '</td>';
                $html .= '<td class="c5">' . ($f['EXTRA']=='auto_increment'?'是':'&nbsp;') . '</td>';
                $html .= '<td class="c6">&nbsp;' . $f['COLUMN_COMMENT'] . '</td>';
                $html .= '</tr>';
            }
            $html .= '</tbody></table></p>';
        }


//输出
        echo '<html>
<head>
<title>' . $title . '</title>
<style>
body,td,th {font-family:"宋体"; font-size:12px;}
table{border-collapse:collapse;border:1px solid #CCC;background:#efefef;}
table caption{text-align:left; background-color:#fff; line-height:2em; font-size:14px; font-weight:bold; }
table th{text-align:left; font-weight:bold;height:26px; line-height:26px; font-size:12px; border:1px solid #CCC;}
table td{height:20px; font-size:12px; border:1px solid #CCC;background-color:#fff;}
.c1{ width: 120px;}
.c2{ width: 120px;}
.c3{ width: 70px;}
.c4{ width: 80px;}
.c5{ width: 80px;}
.c6{ width: 270px;}
</style>
</head>
<body>';
        echo '<h1 style="text-align: center">' . $title . '</h1>';
        echo $html;
        echo '</body></html>';




    }

}
